Splashtop
Splashtop SOS (used for one-time access): Mac // Windows
Splashtop Desktop for reoccuring access ($5/month): Splashtop Desktop Installation (2ZPRWZKS73LH)
Splashtop Streamer for Admin Use: Splashtop Streamer for Windows // Splashtop Streamer for Mac
PTZOptics Downloads:
Here is the Download for PC (v 1.4) // Here is the Download for Mac (v 1.4)
Here is the OBS App for Mac // Here is the OBS App for Windows
Also, if you want dockable PTZ controls for the inside of OBS find those here.
NDI Tools:
Other Links: